From 0c4f34c2af51ff47acb6ff75b97bf814f38bb09d Mon Sep 17 00:00:00 2001
From: Boris Zbarsky <bzbarsky@mit.edu>
Date: Sun, 27 Dec 2009 08:41:08 -0500
Subject: [PATCH] Bug 500882 followup.  Restore bit that shouldn't have gone
 away.

---
 layout/base/nsCSSFrameConstructor.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/layout/base/nsCSSFrameConstructor.cpp b/layout/base/nsCSSFrameConstructor.cpp
index 1f571a1e194f..2fd1283f3f4e 100644
--- a/layout/base/nsCSSFrameConstructor.cpp
+++ b/layout/base/nsCSSFrameConstructor.cpp
@@ -4658,6 +4658,7 @@ nsCSSFrameConstructor::FindMathMLData(nsIContent* aContent,
 
     static const FrameConstructionData sInlineMathData =
       FCDATA_DECL(FCDATA_FORCE_NULL_ABSPOS_CONTAINER |
+                  FCDATA_IS_LINE_PARTICIPANT |
                   FCDATA_WRAP_KIDS_IN_BLOCKS,
                   NS_NewMathMLmathInlineFrame);
     return &sInlineMathData;